complete kvm role

debian.yml

---
  - name: install kvm packages on Debian
    package:
      name:
        - bridge-utils
        - genisoimage
        - libguestfs-tools
        - libnss-libvirt
        - libosinfo-bin
        - libvirt-clients
        - libvirt-daemon-system
        - libvirt-dev
        - python-lxml
        - python3-libvirt
        - qemu-kvm
        - qemu-utils
        - virt-top
        - virtinst
      state: latest
      update_cache: yes
      cache_valid_time: 5400
      allow_unauthenticated: yes
    become: true
    tags:
      - packages
      - kvm
  
  - name: Enable service libvirt, and start if not started
    service:
      name: libvirtd
      enabled: yes
      state: started
  
  - name: adding existing user ansible to group libvirt/-qemu
    user:
      name: "{{ansible_user}}"
      groups: libvirt,libvirt-qemu
      # if append is not set to yes, the user is removed from all other groups and gets added only to this one!
      append: yes
  
  # Facts will be available as 'ansible_libvirt_pools'
  - name: gather facts on existing virsh pool
    virt_pool:
      command: facts
      uri: "{{ libvirt_uri }}"
  
  - name: add a storage pool for storing libvirt images if Pool doesn't already exists
    virt_pool:
      command: define
      # looks like setting name here is a redundant, the name is anyways taken from the template xml file, but should set it to make virt_pool module happy.
      name: "{{ image_pool_name }}"
      xml: '{{ lookup("template", "pool/dir.xml.j2") }}'
      uri: "{{ libvirt_uri }}"
    when: image_pool_name not in ansible_libvirt_pools
  
  - name: create a image_pool_dir
    file:
      path: "{{ image_pool_dir }}"
      owner: "{{ ansible_user }}"
      group: libvirt
      recurse: yes
      mode: '0755'
    become: true
  
  # We should gather facts again so that the newly created pool is updated to 'ansible_libvirt_pools'
  - name: gather facts on existing virsh pool
    virt_pool:
      command: facts
      uri: "{{ libvirt_uri }}"
  
  - block:
    - name: build the storage pool.
      virt_pool:
        command: build
        name: "{{ image_pool_name }}"
        uri: "{{ libvirt_uri }}"
  
    - name: start the storage pool.
      virt_pool:
        command: create
        name: "{{ image_pool_name }}"
        uri: "{{ libvirt_uri }}"
    when: ansible_libvirt_pools["{{image_pool_name}}"].state != "active"
  
  - name: autostart the storage pool
    virt_pool:
      autostart: yes      
      name: "{{ image_pool_name }}"
      uri: "{{ libvirt_uri }}"
  
  - name: ensure that the pool is active
    virt_pool:
      state: active
      name: "{{ image_pool_name }}"
      uri: "{{ libvirt_uri }}"